text: #ifndef __EXT_OPS__HPP__
  #define __EXT_OPS__HPP__
  #include <vector>
  #include <memory>
  #include <string>
  
  #include <onnx_import/onnx.hpp>
  #include <onnx_import/onnx_utils.hpp> // onnx_import/onnx_utils.hpp provides ngraph::onnx_import::register_operator function, that registers operator in ONNX importer's set.
  
  #include <ngraph/opsets/opset5.hpp> // ngraph/opsets/opset5.hpp provides the declaration of predefined nGraph operator set
  #include <inference_engine.hpp>
  //#include <details/os/os_filesystem.hpp>
  
  
  void registerRoiAlign();
  
  #endif